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2006 MAZDA MPV
3.0L V6•FWD•AUTOMATIC•gas
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor486Torque3100Fluid7DTC1789Battery1Maintenance0Recalls2
P1660moderate severityPowertrain

Output Circuit Fault

on 2006 Mazda MPV 3.0L V6 · FWD

What this code means

The PCM has detected a fault in an output driver circuit, often related to transmission control outputs. This can affect proper command signals to solenoids or actuators.

Symptoms

  • Transmission shifting problems
  • Check engine light on
  • Erratic component operation

Common causes

  • Faulty PCM output driver
  • Wiring short or open
  • Corroded connectors
  • Failed output actuator

Diagnostic steps

  1. Scan for stored codes
  2. Inspect output circuit wiring
  3. Test driver voltage at PCM
  4. Verify PCM operation
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